Void: too many threads, not enough inflatable underpants

>>               AP STORY OF THE WEEK
>>               Tokyo commuter Katsuo Katugoru caused havoc on a crowded
>>               tube train when his inflatable underpants unexpectedly
>>               went off.
>>
>>               The rubber underwear was made by Katsuo himself, and
>>               designed to inflate to 30 times their original size in
>>               the event of a tidal wave. "I am terrified of water, and
>>               death by drowning is my greatest fear" said Katsuo, 48.
>>               "Unfortunately I set them off accidently while looking
>>               for a boiled sweet on a rush hour train.
>>
>>               They were crushing everybody in the carriage until a
>>               passenger stabbed them with a pencil."